package net.qhzw.vip.qiyu.service;

import com.baomidou.mybatisplus.extension.service.IService;
import net.qhzw.vip.qiyu.entity.SysContract;

import java.util.Map;

public interface SysContractService extends IService<SysContract> {

    Map<String, String> getExchange(Long userId);


}
